Base | Representation |
---|---|
bin | 101110001100… |
… | …000010100101 |
3 | 211210010222021 |
4 | 232030002211 |
5 | 11044423231 |
6 | 1111303141 |
7 | 204626056 |
oct | 56140245 |
9 | 24703867 |
10 | 12107941 |
11 | 691a96a |
12 | 407aab1 |
13 | 267c181 |
14 | 187272d |
15 | 10e2811 |
hex | b8c0a5 |
12107941 has 2 divisors, whose sum is σ = 12107942. Its totient is φ = 12107940.
The previous prime is 12107939. The next prime is 12107969. The reversal of 12107941 is 14970121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6395841 + 5712100 = 2529^2 + 2390^2 .
It is a cyclic number.
It is not a de Polignac number, because 12107941 - 21 = 12107939 is a prime.
Together with 12107939, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12107911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053970 + 6053971.
It is an arithmetic number, because the mean of its divisors is an integer number (6053971).
Almost surely, 212107941 is an apocalyptic number.
It is an amenable number.
12107941 is a deficient number, since it is larger than the sum of its proper divisors (1).
12107941 is an equidigital number, since it uses as much as digits as its factorization.
12107941 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 25.
The square root of 12107941 is about 3479.6466774660. The cubic root of 12107941 is about 229.6272538336.
The spelling of 12107941 in words is "twelve million, one hundred seven thousand, nine hundred forty-one".
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